Abstract
Star-branched microgels (SBM's), prepared by the reaction of living poly(methyl methacrylate) chains with ethylene glycol dimethacrylate, were characterized by static and dynamic light scattering, viscometry, and SEC. The average number of arms per microgel, the arm length, the size of the microgel, the molecular weight distribution, and the frequency distribution of arms per SBM were determined. The influence of branching on the shrinking factors of the SBM's relative to linear polymers was investigated
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